What is a Variable Frequency Drive?
A variable frequency drive is an electronic device that allows you to start, stop, and control the speed of a three phase motor. It is also a motor starter as it is equipped with overload protection. Read more »
What is the difference between a 'new surplus' motor and a 'factory new' motor?
Our New Surplus electric motors and drives are new and unused overstock or discontinued items offered at lower prices and come with our 90-day warranty.

Factory New products are competitively priced and come with a manufacturers warranty.
Variable frequency drives (VFDs or inverters) now play an important part in major industry.
Within the last 10 years they have been perfected to control and vary the speed of 3 phase electric motors. They serve many purposes, besides speed control. Homeowners and hobbyist alike, who have lathes or milling machines with a 3 phase motor, usually don't have 3 phase power to operate. These VFDs (instead of using a rotary phase converter) can now be used to convert single phase power to 3 phase power. Read more »
 
 
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H506-Century-Dealers Industrial    H506
1.0 HP, 3600 RPM, 208/230/460 Volts, 3 PH, ODP, 56J, FOOTLESS, Century, H506
$339.62
H508ES-Century-Dealers Industrial    H508ES
0.75 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 56C, FOOTLESS, Century, H508ES
$368.28
Out of Stock
H511ES-Century-Dealers Industrial    H511ES
1.0 HP, 3600 RPM, 230/460 Volts, 3 PH, ODP, 56C, FOOTLESS, Century, H511ES
$342.72
Out of Stock
H515-Century-Dealers Industrial    H515
0.75 HP, 3600 RPM, 200/230/460 Volts, 3 PH, TEFC, 56J, FOOTLESS, Century, H515
$511.72
Out of Stock
H516ES-Century-Dealers Industrial    H516ES
1.0 HP, 3600 RPM, 230/460 Volts, 3 PH, TEFC, 56J, FOOTLESS, Century, H516ES
$455.82
Out of Stock
H517ES-Century-Dealers Industrial    H517ES
1.0 HP, 3600 RPM, 575 Volts, 3 PH, TEFC, 56, 575 VOLT, Century, H517ES
$468.18
Out of Stock
H518L-Century-Dealers Industrial    H518L
3.0 HP, 1800 RPM, 200/208 Volts, 3 PH, OPEN, 56HZ, Century, H518L
$391.18
Out of Stock
H524LES-Century-Dealers Industrial    H524LES
1 HP, 1800 RPM, 230/460 Volts, 3 PH, TEFC, 56, Century, H524LES
$515.68
H525LES-Century-Dealers Industrial    H525LES
1 HP, 1800 RPM, 575 Volts, 3 PH, TEFC, 56, 575 VOLT, Century, H525LES
$440.34
Out of Stock
H526ES-Century-Dealers Industrial    H526ES
1.0 HP, 1200 RPM, 230/460 Volts, 3 PH, ODP, 56H, Century, H526ES
$647.68
Out of Stock
H528ES-Century-Dealers Industrial    H528ES
1 HP, 1800 RPM, 230/460 Volts, 3 PH, TEFC, 56H, Century, H528ES
$714.56
H530ES-Century-Dealers Industrial    H530ES
1.5 HP, 3600 RPM, 230/460 Volts, 3 PH, TEFC, 56, Century, H530ES
$621.72
Out of Stock
H531-Century-Dealers Industrial    H531
1.5 HP, 3600 RPM, 200/230/460 Volts, 3 PH, ODP, 56, RESILIENT, Century, H531
$410.09
Out of Stock
H534LES-Century-Dealers Industrial    H534LES
1.5 HP, 1800 RPM, 230/460 Volts, 3 PH, ODP, 56H, Century, H534LES
$465.73
Out of Stock
H535LES-Century-Dealers Industrial    H535LES
1.5 HP, 1800 RPM, 230/460 Volts, 3 PH, TEFC, 56H, Century, H535LES
$503.59
Out of Stock
H537ES-Century-Dealers Industrial    H537ES
2.0 HP, 3600 RPM, 230/460 Volts, 3 PH, TEFC, 56, Century, H537ES
$644.60
Out of Stock
H538-Century-Dealers Industrial    H538
2.0 HP, 3600 RPM, 200/230/460 Volts, 3 PH, ODP, 56, RESILIENT, Century, H538
$483.32
Out of Stock
H539L-Century-Dealers Industrial    H539L
3.0 HP, 1800 RPM, 460/230 Volts, 3 PH, ODP, 56HZ, Century, H539L
$529.76
Out of Stock
H563-Century-Dealers Industrial    H563
0.75 HP, 3600 RPM, 200/230/460 Volts, 3 PH, TENV, 56C, FOOTLESS, Century, H563
$394.68
Out of Stock
H564-Century-Dealers Industrial    H564
0.5 HP, 1200 RPM, 460/200/230 Volts, 3 PH, OPEN, 56Y, Century, H564
$527.56

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